have you tested at the switch for votlage, and again at the boiler terminals.....if so and 220v-240v is present, sounds like either a fuse on the pcb has blown or pcb has had it
T
June 2008
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix home heating systems.